Convert Julian dates to Gregorian and vice versa. Calculate Julian Day Numbers. Track historical or scientific date references. Manage date conversions for astronomy, military, food production, or research.
Counting allows users to tap the screen to increment or decrement numbers. Features include four separate counters with customizable settings, automatic save, reset options, labeled entries, and switch between counting up and down.
Measure altitude using barometric pressure and GPS data. Display real-time altitude readings. Save and review altitude logs. Sync data with iPhone apps. Set altitude alerts and track elevation changes during outdoor activities.